List all tournaments or create a new tournament.

GET /api/v1/tournaments?format=api&ordering=-time_start&page=3775
HTTP 200 OK
Allow: GET, POST, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
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    "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-time_start&page=3776",
    "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-time_start&page=3774",
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                "id": 687819,
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            "description": "名人リーグ参加者多数(感謝!)のため2リーグに分割しました。",
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                "name": "かおり杯-World Kaori Cup-",
                "summary": "For every player who enjoy go game",
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        {
            "id": 60318,
            "name": "第1期かおり杯名人戦名人リーグ(6d~)",
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                "id": 575743,
                "username": "site15",
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            "description": "名人リーグ参加希望の方は、このページのチャット欄に参加希望旨ご記載くださいm(..)m参加者確定後、招待いたします。\n\n人数が多い場合は、抽選によりリーグを分割します(1リーグ8名程度目安)。",
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            },
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                "id": 2969,
                "name": "かおり杯-World Kaori Cup-",
                "summary": "For every player who enjoy go game",
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            "id": 60324,
            "name": "第1期かおり杯名人戦級位リーグ(~1k)",
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                "country": "un",
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        {
            "id": 60744,
            "name": "9x9 for Beginers, Let's learn!",
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